_Johann Nicholas FIRESTONE _ | (1735 - 1807) _Mathias FIRESTONE Sr._| | (1777 - 1850) m 1798 | | |_Eva Catharina SCHWAB ______ | (1739 - 1828) _David Jefferson FIRESTONE _| | (1807 - 1890) m 1830 | | | _James HILL ________________ | | | | |_Mary HILL ____________| | (1773 - 1836) m 1798 | | |_ SARAH ____________________ | | |--Thomas Jefferson FIRESTONE | (1844 - 1920) | ____________________________ | | | _______________________| | | | | | |____________________________ | | |_Elizabeth DERRICK _________| (1813 - 1890) m 1830 | | ____________________________ | | |_______________________| | |____________________________